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Decode legacy CGI-encoded labels (e.g., `What-27s+Here`) in rdoc-ref links so they resolve to the correct GitHub-style anchors. Also deduplicate heading IDs by appending -1, -2, etc. when multiple headings produce the same anchor (e.g., "Method match" and "Method match?" both becoming `method-match`). Fixes #1590
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tompng
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Feb 8, 2026
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| def test_decode_legacy_label_alphanumeric_hex_unchanged | ||
| # -4F decodes to 'O' (alphanumeric), so leave as literal | ||
| assert_equal "class-4Fther", RDoc::Text.decode_legacy_label("class-4Fther") |
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I think adding test case of something like "class-Feather" not to be converted to "class\xFEather" may help prevent regression.
This will detect a bug changing /-([0-9A-F]{2})/ to /-([0-9A-Fa-f]{2})/ in the future
tompng
approved these changes
Feb 8, 2026
tompng
reviewed
Feb 8, 2026
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| module_function def decode_legacy_label(label) | ||
| label = label.tr('+', ' ') | ||
| label.gsub!(/-([0-9A-F]{2})/) do |
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If it's OK to assume encoded parts to be ascii, /-([0-7][0-9A-F])/ might be better
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Decode legacy CGI-encoded labels (e.g.,
What-27s+Here) in rdoc-ref links so they resolve to the correct GitHub-style anchors. Also deduplicate heading IDs by appending -1, -2, etc. when multiple headings produce the same anchor (e.g., "Method match" and "Method match?" both becomingmethod-match).Fixes #1590